
LyondellBasell Industries N.V.
LyondellBasell Industries N.V. (LYB) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · LYB · as of Sep 30, 2025
Ownership Breakdown
870
Institutional Holders
▼ 72 vs Q2
$10.81B
Total Inst. Value
▼ $2.84B vs Q2
322.78M
Shares Outstanding
freeFloat 79.67%
220.39M
13F Shares Held
▼ 19.78M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
LYB largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC industrial organic chemicals | 30.97M | 9.62% | 9.62% | $1.52T | Nov 7, 2025 | ▲ 84.3K |
BLACKROCK, INC. industrial organic chemicals | 29.11M | 9.04% | 9.04% | $1.43T | Nov 12, 2025 | ▲ 3.20M |
DODGE & COX industrial organic chemicals | 16.97M | 5.27% | 5.27% | $832.16B | Nov 13, 2025 | ▼ 935 |
STATE STREET CORP industrial organic chemicals | 13.18M | 4.09% | 4.09% | $646.49B | Nov 14, 2025 | ▲ 267.8K |
CAPITAL WORLD INVESTORS industrial organic chemicals | 9.81M | 3.05% | 3.05% | $480.97B | Nov 13, 2025 | ▲ 1.14M |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC industrial organic chemicals | 9.70M | 3.01% | 3.01% | $475.83B | Nov 10, 2025 | ▲ 226.3K |
MORGAN STANLEY industrial organic chemicals | 7.67M | 2.38% | 2.38% | $376.21B | May 27, 2026 | ▼ 1.10M |
GEODE CAPITAL MANAGEMENT, LLC industrial organic chemicals | 6.63M | 2.06% | 2.06% | $325.86B | Nov 12, 2025 | ▼ 192.6K |
INVESCO LTD. industrial organic chemicals | 4.94M | 1.54% | 1.54% | $242.43B | Nov 13, 2025 | ▼ 892.5K |
CAPITAL RESEARCH GLOBAL INVESTORS industrial organic chemicals | 4.39M | 1.36% | 1.36% | $215.26B | Nov 13, 2025 | ▲ 3.62M |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
24
Increased
+14.89M shares2
New Positions
first time holders24
Decreased
−12.33M shares0
Sold Out
fully exitedNet shares change (top 50)
+2.56M
+14.89M / −12.33M
Net new holders
+2
2 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
LYB insider trading · insider activity
Source: SEC Form 4
11
Buy transactions
14
Sell transactions
0.79
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Manifold Albert Jude director | May 21, 2026 | Award | 2,321 | — | — | 15.6K | Form 4 ↗ |
Manifold Albert Jude director | May 22, 2026 | Tax Withhold | 689 | $69.72 | $48.0K | 14.9K | Form 4 ↗ |
Griffin Rita E director | May 21, 2026 | Award | 2,321 | — | — | 8.0K | Form 4 ↗ |
Griffin Rita E director | May 22, 2026 | Tax Withhold | 639 | $69.72 | $44.6K | 7.4K | Form 4 ↗ |
Karlin Bridget E director | May 21, 2026 | Award | 2,321 | — | — | 7.2K | Form 4 ↗ |
Karlin Bridget E director | May 22, 2026 | Tax Withhold | 521 | $69.72 | $36.3K | 6.7K | Form 4 ↗ |
KAMSKY VIRGINIA A director | May 21, 2026 | Award | 2,321 | — | — | 10.4K | Form 4 ↗ |
KAMSKY VIRGINIA A director | May 22, 2026 | Tax Withhold | 593 | $69.72 | $41.3K | 9.8K | Form 4 ↗ |
Hanley Michael Sean director | May 21, 2026 | Award | 2,321 | — | — | 24.4K | Form 4 ↗ |
Hanley Michael Sean director | May 22, 2026 | Tax Withhold | 540 | $69.72 | $37.6K | 23.9K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
LyondellBasell Industries N.V. (LYB) is primarily owned by institutional investors, who hold approximately 68.3% of total shares outstanding. Company insiders own approximately 20.33%, while retail and public investors account for the remaining 11.39%.
The largest institutional shareholder of LyondellBasell Industries N.V. is VANGUARD GROUP INC, holding approximately 30.97 million shares — equal to 9.62% of outstanding shares — as of September 30, 2025.
A total of 870 institutional investors currently hold LYB stock, with a combined institutional value of approximately $10.81 billion as of the most recent 13F filing period.
Frequently asked questions
LYB ownershipLyondellBasell Industries N.V. (LYB) is primarily owned by institutional investors, who hold approximately 68.3% of shares. The largest shareholder is VANGUARD GROUP INC with a 9.62% stake. Company insiders hold 20.33%. Data sourced from SEC Form 13F as of September 30, 2025.